A new non-cyanide zinking process for high-Si aluminum cast has been studied in this paper.
研究了一种无氰的高

件的浸锌新工艺。
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This streamlined vehicle had a number of innovative features including having the steering wheel on the left, an entirely enclosed transmission engine, four cylinders cast in solid block, and a pair of semi-elliptic suspension springs.
这款流线型汽车具有许多创新功能,包括左侧方向盘、完全封闭的变速器发动机、四个实心铸件气缸和

椭圆形悬挂弹簧。